$\int\left(\frac{t^2+t}{\sqrt{t+1}}\right)dt$

$\left(0.2y-0.4\right)\left(0.3y+0.5\right)$

$\left(+95\right)-\left(-2\right)-45$

$_{3\left(10b+10\right)+5\left(b+2\right)}$

$\int\frac{3x^2-16x\:+20}{\left(x-3\right)^2}dx$

$\lim_{x\to-\infty}\left(\frac{2x^3-2x^2+x-3}{x^3+2x^2-x+1}\right)$

$3\left(5-3w\right)$